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56 Cards in this Set
- Front
- Back
RBCs |
round, slightly refractile, and lack internal structure and resemble fat droplets |
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WBCs |
round, granular, large than rbcs but smaller than epithelial cells |
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hyaline cast |
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cellular |
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waxy cast |
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granular cast |
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Mucus |
narrow, twisted, ribbon-like, homogenous threads and indicates urethral irritation or genital secretion |
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Fat |
highly refractile, variable-sized spheres that are out of focus with other sediments because they rise to the surface and may be stained with Sudan III. |
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fat |
Signifies no pathologic relevance in the urine |
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sudan III |
fat is stained by |
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cocci in chains |
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cocci wit wbc |
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rods with wbc |
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rods with wbc and rbc |
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spermatozoa |
indicate contamination of the urine and are normal in dogs |
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• Magnesium Ammonium Phosphate • Calcium carbonates and Calcium oxalate dihydrate |
Normal Crystals |
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• Pigmented crystals • Amino Acid Crystals • Oxalate Crystals |
Abnormal Crystals |
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struvite crystals |
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small struvite crystals |
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calcium oxalate monohydrate (picket fence) |
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calcium oxalate monohydrate left- dumbbells right- hemp seed |
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calcium oxalate dihydrate |
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calcium oxalate dihydrate |
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ammonium biureate crystal |
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bilirubin crystal with wbc |
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cholesterol crystal |
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cystine crystal with rbc |
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vaginal cytology |
Examination of exfoliated cells from the vagina of dogs and cats |
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vaginal cytology |
Vaginal epithelium undergoes a predictable hyperplastic response to increasing plasma estrogen concentrations during proestrus |
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cotton-tipped swabs microscope slide methanol |
vaginal smear materials |
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hormone analysis |
Often in tandem with ______ , may provide valuable information about the stage of the ovarian cycle |
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inflammatory neoplastic |
Proven useful to detect ______ and _____ conditions in the female reproductive tract |
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caudal |
Cells are obtained by passing a cotton- tipped swab into the _____ vagina |
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sterile saline |
If no vaginal discharge is present, the swab may be moistened with ______ to avoid discomfort |
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urethral orifice |
Once cranial to the _______, the vaginal wall is gently swabbed |
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true |
The smear is allowed to air-dry thoroughly before staining |
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Romanowsky-type stains |
type of stain for vaginal cytology |
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• Wright • Modified Wright-Giemsa stains |
specific stains |
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Color |
intensity is primarily a reflection of the degree of urine concentration |
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Transparency/Turbidity |
a reflection of the amount of particulate material |
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Ammonia |
prominent in retained urine and formed by bacterial urease action |
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Acetone |
suggests ketosis |
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Foam |
produced by shaking |
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Hemoglobinuria Proteinuria |
type of foams |
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osmolality |
determined by the number of particles in the solution or by the osmotic pressure of the extracellular and intratubular fluids |
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Specific gravity |
Indicates the ability of the kidneys to dilute or concentrate urine solute specifically in the collecting tubules. |
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Indirectly proportional |
proportionality of specific gravity to urine volume |
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Chemical Examination |
done on a semi-quantitative basis using reagent strips especially designed for use in humans and not all tests are either relevant or accurate in animals |
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Protein |
size, shape, and charge influence its ability to pass the glomerular filt |
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• Emotional state (fright) • General anesthesia |
Physiological reasons |
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• Hemorrhage into the urinary tract • Inflammation within the urinary tract |
Pathological causes
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Glucose |
Freely filtered by the glomerulus and resorption is complete in the proximal tubules when serum concentrations are <180 mg/dl (dog) 280 (cat) < 100 (cow) |
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• Hyperglycemia• Normoglycemia |
factors affecting glucose |
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Ketones |
Freely filtered by the glomerulus and are completely resorbed by the proximal tubules |
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Bilirubin |
Conjugated and not conjugated forms of this (bound to serum albumin) may pass into the glomerular filtrate and not be absorbed by the tubules. |
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• Hematuria • Hemoglobinuria • Myoglobinuria |
Occult Blood Causes |